English verb conjugation
MUST SWAN-DIVE

Irregular verb: swan-dive - swan-dived, swan-dove - swan-dived

Affirmation

Simple form	V-ing form
I must swan-dive you must swan-dive he must swan-dive we must swan-dive you must swan-dive they must swan-dive	I must be swan-diving you must be swan-diving he must be swan-diving we must be swan-diving you must be swan-diving they must be swan-diving
Perfect	V-ing perfect
I must have swan-dived you must have swan-dived he must have swan-dived we must have swan-dived you must have swan-dived they must have swan-dived	I must have been swan-diving you must have been swan-diving he must have been swan-diving we must have been swan-diving you must have been swan-diving they must have been swan-diving

Negation

Simple form	V-ing form
I must not swan-dive you must not swan-dive he must not swan-dive we must not swan-dive you must not swan-dive they must not swan-dive	I must not be swan-diving you must not be swan-diving he must not be swan-diving we must not be swan-diving you must not be swan-diving they must not be swan-diving
Perfect	V-ing perfect
I must not have swan-dived you must not have swan-dived he must not have swan-dived we must not have swan-dived you must not have swan-dived they must not have swan-dived	I must not have been swan-diving you must not have been swan-diving he must not have been swan-diving we must not have been swan-diving you must not have been swan-diving they must not have been swan-diving

Interrogative form

Simple form	V-ing form
must I swan-dive? must you swan-dive? must he swan-dive? must we swan-dive? must you swan-dive? must they swan-dive?	must I be swan-diving? must you be swan-diving? must he be swan-diving? must we be swan-diving? must you be swan-diving? must they be swan-diving?
Perfect	V-ing perfect
must I have swan-dived? must you have swan-dived? must he have swan-dived? must we have swan-dived? must you have swan-dived? must they have swan-dived?	must I have been swan-diving? must you have been swan-diving? must he have been swan-diving? must we have been swan-diving? must you have been swan-diving? must they have been swan-diving?

Interro-negative form

Simple form	V-ing form
must I not swan-dive? must you not swan-dive? must he not swan-dive? must we not swan-dive? must you not swan-dive? must they not swan-dive?	must I not be swan-diving? must you not be swan-diving? must he not be swan-diving? must we not be swan-diving? must you not be swan-diving? must they not be swan-diving?
Perfect	V-ing perfect
must I not have swan-dived? must you not have swan-dived? must he not have swan-dived? must we not have swan-dived? must you not have swan-dived? must they not have swan-dived?	must I not have been swan-diving? must you not have been swan-diving? must he not have been swan-diving? must we not have been swan-diving? must you not have been swan-diving? must they not have been swan-diving?